Cervical length dynamics in triplet pregnancies: a retrospective cohort study.
Sophie PilsStephanie SpringerVerena WehrmannKinga ChalubinskiJohannes OttPublished in: Archives of gynecology and obstetrics (2017)
In triplet pregnancies, a decrease in cervical length seems physiological from week 22 + 0 onwards. A sharp decrease in cervical length from the 22 + 0 to the 24 + 0 week as well as the smaller cervical length in weeks 20 + 0, 22 + 0, and 24 + 0 increase the risk of preterm delivery.